FR1429284A - Fluid presence control device - Google Patents

Fluid presence control device

Info

Publication number
FR1429284A
FR1429284A FR989746A FR989746A FR1429284A FR 1429284 A FR1429284 A FR 1429284A FR 989746 A FR989746 A FR 989746A FR 989746 A FR989746 A FR 989746A FR 1429284 A FR1429284 A FR 1429284A
Authority
FR
France
Prior art keywords
control device
presence control
fluid presence
fluid
control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR989746A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STEWART WAR ER CORP
Original Assignee
STEWART WAR ER CORP
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US312767A external-priority patent/US3308300A/en
Priority claimed from US312579A external-priority patent/US3268734A/en
Application filed by STEWART WAR ER CORP filed Critical STEWART WAR ER CORP
Priority to FR989746A priority Critical patent/FR1429284A/en
Application granted granted Critical
Publication of FR1429284A publication Critical patent/FR1429284A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
    • G01N21/534—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke by measuring transmission alone, i.e. determining opacity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N29/00—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems
    • F16N29/04—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems enabling a warning to be given; enabling moving parts to be stopped
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P13/00—Indicating or recording presence, absence, or direction, of movement
    • G01P13/008—Indicating or recording presence, absence, or direction, of movement by using a window mounted in the fluid carrying tube
    • G01P13/0086—Indicating or recording presence, absence, or direction, of movement by using a window mounted in the fluid carrying tube with photo-electric detection
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
    • G08B21/16—Combustible gas alarms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L2101/00—Uses or applications of pigs or moles
    • F16L2101/30—Inspecting, measuring or testing
FR989746A 1963-09-30 1964-09-29 Fluid presence control device Expired FR1429284A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR989746A FR1429284A (en) 1963-09-30 1964-09-29 Fluid presence control device

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US312767A US3308300A (en) 1963-09-30 1963-09-30 Photodetection fluid monitor including alarm circuit with fail-safe means
US312579A US3268734A (en) 1963-09-30 1963-09-30 Oil mist fluid monitor
FR989746A FR1429284A (en) 1963-09-30 1964-09-29 Fluid presence control device

Publications (1)

Publication Number Publication Date
FR1429284A true FR1429284A (en) 1966-02-25

Family

ID=27248341

Family Applications (1)

Application Number Title Priority Date Filing Date
FR989746A Expired FR1429284A (en) 1963-09-30 1964-09-29 Fluid presence control device

Country Status (1)

Country Link
FR (1) FR1429284A (en)

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